Legend (Hydrology/Watershed_Boundary_Dataset)

Watershed Boundary Line (0) No data 2-digit Hydrologic Unit 4-digit Hydrologic Unit 6-digit Hydrologic Unit 8-digit Hydrologic Unit 10-digit Hydrologic Unit 12-digit Hydrologic Unit 14-digit Hydrologic Unit 16-digit Hydrologic Unit 12-digit HUC (Subwatershed) (1) 10-digit HUC (Watershed) (2) 8-digit HUC (Subbasin) (3) 6-digit HUC (Basin) (4) 4-digit HUC (Subregion) (5) 2-digit HUC (Region) (6)